Home / 21,797.07-30,080.70-12,852.24

Finding the Fourth Proportional to 21,797.07, 30,080.70 and 12,852.24

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Solution

The fourth proportional to 21,797.07, 30,080.70 and 12,852.24 is: 17,736.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,797.07 : 30,080.70 = 12,852.24 : x
  2. Step 2: Convert to fraction form
    21,797.07/30,080.70 = 12,852.24/x
  3. Step 3: Cross multiply
    21,797.07x = 30,080.70 × 12,852.24
  4. Step 4: Simplify right side
    21,797.07x = 386,604,375.77
  5. Step 5: Solve for x
    x = 386,604,375.77/21,797.07
  6. Step 6: Final answer
    x = 17,736.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.